2866040 has 32 divisors (see below), whose sum is σ = 6508080. Its totient is φ = 1135872.

The previous prime is 2866033. The next prime is 2866049. The reversal of 2866040 is 406682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5219 + ... + 5741.

2^2866040 is an apocalyptic number.

2866040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2866040 is an abundant number, since it is smaller than the sum of its proper divisors (3642040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2866040 is a wasteful number, since it uses less digits than its factorization.

2866040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2866040 is about 1692.9382741258. The cubic root of 2866040 is about 142.0454790516.

The spelling of 2866040 in words is "two million, eight hundred sixty-six thousand, forty".